[PATCH] gpu: ipu-v3: replace spin_lock_irqsave by spin_lock in hard IRQ

Tian Tao tiantao6 at hisilicon.com
Fri Dec 4 01:23:16 UTC 2020


The code has been in a irq-disabled context since it is hard IRQ. There
is no necessity to do it again.

Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>
---
 drivers/gpu/ipu-v3/ipu-image-convert.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c
index aa1d4b6..c28764c 100644
--- a/drivers/gpu/ipu-v3/ipu-image-convert.c
+++ b/drivers/gpu/ipu-v3/ipu-image-convert.c
@@ -1737,9 +1737,8 @@ static irqreturn_t eof_irq(int irq, void *data)
 	struct ipu_image_convert_run *run;
 	irqreturn_t ret = IRQ_HANDLED;
 	bool tile_complete = false;
-	unsigned long flags;
 
-	spin_lock_irqsave(&chan->irqlock, flags);
+	spin_lock(&chan->irqlock);
 
 	/* get current run and its context */
 	run = chan->current_run;
@@ -1778,7 +1777,7 @@ static irqreturn_t eof_irq(int irq, void *data)
 	if (tile_complete)
 		ret = do_tile_complete(run);
 out:
-	spin_unlock_irqrestore(&chan->irqlock, flags);
+	spin_unlock(&chan->irqlock);
 	return ret;
 }
 
-- 
2.7.4



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